Jurisdiction(s):
United Kingdom

Key definition

JCT definition

What does JCT mean? JCT refers, in practice, to the Joint Contracts Tribunal and its suite of standard-form construction contracts used to procure building works and services. It is an industry shorthand rather than a term defined in legislation or case law. The JCT suite (including Design and Build, Standard Building Contract, Intermediate, Minor Works, term and framework contracts, sub-contracts and collateral warranties) provides a structured allocation of risk and clear provisions on design responsibility, payment and retention, variations, extensions of time, liquidated damages, loss and expense, insurance, termination and dispute resolution (including adjudication under the UK “Construction Act”). Usage varies by jurisdiction: - England and Wales:...

JCT 2024 Design and Build and Standard Building Contracts: Variations and Changes—scope, objections, valuation, extensions of time, loss and expense, and quotation/estimate procedures

Published by a LexisNexis Construction expert

Practice notes

This Practice Note explains the treatment of variations across the principal jct contract forms, setting out how such changes are managed and addressed in practice. For broader commentary on variations, with references to pertinent case law for context, see Practice Note: What is a variation on a construction project? The focus here is the JCT Design and Build Contract (DB) and the JCT Standard Building Contract (SBC) (With Quantities). It addresses the 2024 editions of these forms, currently in issue. Where clause numbering diverges between editions this is flagged; otherwise, clause references are identical in both, aiding clarity. See also News Analyses: JCT 2024 Standard Building Contracts and Sub-Contracts released, and The JCT Design and Build Contract 2024—what’s changed? For details on how NEC contracts handle variations, consult Practice Note: NEC contracts—variations. Regarding FIDIC, refer to Practice Notes: FIDIC contracts 2017—variations and FIDIC contracts (pre-2017 editions)—variations for comparison and context.

What constitutes a Variation (or Change) under jct contracts?...

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Web page updated on 21/05/2026

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